// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
//
// App.xaml.cpp
// Implementation of the App class.
//

#include "pch.h"

#include "MainPage.xaml.h"

using namespace Microsoft::React::Test;
using namespace Platform;
using namespace Windows::ApplicationModel;
using namespace Windows::ApplicationModel::Activation;
using namespace Windows::Foundation;
using namespace Windows::Foundation::Collections;
using namespace Windows::UI::Xaml;
using namespace Windows::UI::Xaml::Controls;
using namespace Windows::UI::Xaml::Controls::Primitives;
using namespace Windows::UI::Xaml::Data;
using namespace Windows::UI::Xaml::Input;
using namespace Windows::UI::Xaml::Interop;
using namespace Windows::UI::Xaml::Media;
using namespace Windows::UI::Xaml::Navigation;

// The Blank Application template is documented at
// https://go.microsoft.com/fwlink/?LinkId=402347&clcid=0x409

/// <summary>
/// Initializes the singleton application object.  This is the first line of
/// authored code executed, and as such is the logical equivalent of main() or
/// WinMain().
/// </summary>
App::App() {
  InitializeComponent();
  Suspending += ref new SuspendingEventHandler(this, &App::OnSuspending);
}

/// <summary>
/// Invoked when the application is launched normally by the end user.	Other
/// entry points will be used such as when the application is launched to open a
/// specific file.
/// </summary>
/// <param name="e">Details about the launch request and process.</param>
void App::OnLaunched(Windows::ApplicationModel::Activation::LaunchActivatedEventArgs ^ e) {
  auto rootFrame = dynamic_cast<Frame ^>(Window::Current->Content);

  // Do not repeat app initialization when the Window already has content,
  // just ensure that the window is active
  if (rootFrame == nullptr) {
    // Create a Frame to act as the navigation context and associate it with
    // a SuspensionManager key
    rootFrame = ref new Frame();

    rootFrame->NavigationFailed +=
        ref new Windows::UI::Xaml::Navigation::NavigationFailedEventHandler(this, &App::OnNavigationFailed);

    if (e->PreviousExecutionState == ApplicationExecutionState::Terminated) {
      // TODO: Restore the saved session state only when appropriate, scheduling
      // the final launch steps after the restore is complete
    }

    // Place the frame in the current Window
    Window::Current->Content = rootFrame;
  }

  Microsoft::VisualStudio::TestPlatform::TestExecutor::WinRTCore::UnitTestClient::CreateDefaultUI();

  rootFrame->Navigate(TypeName(MainPage::typeid), e->Arguments);

  Window::Current->Activate();

  Microsoft::VisualStudio::TestPlatform::TestExecutor::WinRTCore::UnitTestClient::Run(e->Arguments);
}

/// <summary>
/// Invoked when application execution is being suspended.	Application
/// state is saved without knowing whether the application will be terminated or
/// resumed with the contents of memory still intact.
/// </summary>
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
void App::OnSuspending(Object ^ sender, SuspendingEventArgs ^ e) {
  (void)sender; // Unused parameter
  (void)e; // Unused parameter

  // TODO: Save application state and stop any background activity
}

/// <summary>
/// Invoked when Navigation to a certain page fails
/// </summary>
/// <param name="sender">The Frame which failed navigation</param>
/// <param name="e">Details about the navigation failure</param>
void App::OnNavigationFailed(Platform::Object ^ sender, Windows::UI::Xaml::Navigation::NavigationFailedEventArgs ^ e) {
  throw ref new FailureException("Failed to load Page " + e->SourcePageType.Name);
}
